546172647 has 4 divisors (see below), whose sum is σ = 728230200. Its totient is φ = 364115096.

The previous prime is 546172639. The next prime is 546172673. The reversal of 546172647 is 746271645.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 546172647 - 2³ = 546172639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 546172599 and 546172608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546172607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91028772 + ... + 91028777.

It is an arithmetic number, because the mean of its divisors is an integer number (182057550).

Almost surely, 2^546172647 is an apocalyptic number.

546172647 is a deficient number, since it is larger than the sum of its proper divisors (182057553).

546172647 is a wasteful number, since it uses less digits than its factorization.

546172647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182057552.

The product of its digits is 282240, while the sum is 42.

The square root of 546172647 is about 23370.3369038617. The cubic root of 546172647 is about 817.4163409794.

The spelling of 546172647 in words is "five hundred forty-six million, one hundred seventy-two thousand, six hundred forty-seven".